20145827525

素因数分解:

$5^2\times {\mathrm{37}}^2\times {\mathrm{79}}^1\times {\mathrm{7451}}^1$

素因数の和:7614

約数の個数: 36

約数和(自身を含む): 26002710720

約数和(自身を除く): 5856883195

約数列:

[1, 5, 25, 37, 79, 185, 395, 925, 1369, 1975, 2923, 6845, 7451, 14615, 34225, 37255, 73075, 108151, 186275, 275687, 540755, 588629, 1378435, 2703775, 2943145, 6892175, 10200419, 14715725, 21779273, 51002095, 108896365, 255010475, 544481825, 805833101, 4029165505, 20145827525]

約数ペア:

[(1, 20145827525), (5, 4029165505), (25, 805833101), (37, 544481825), (79, 255010475), (185, 108896365), (395, 51002095), (925, 21779273), (1369, 14715725), (1975, 10200419), (2923, 6892175), (6845, 2943145), (7451, 2703775), (14615, 1378435), (34225, 588629), (37255, 540755), (73075, 275687), (108151, 186275)]